Can philosophy save us from the tyranny of toxic positivity?

Ever since Plato’s cave, the darkness has been considered something to be left behind. This is the founding myth of philosophy, the beginning of the Western philosophical tradition.

But how might philosophy be different if it had, from the beginning, learned to see in the dark? If it had embraced, rather than sought to tame, the emotions that sometimes overwhelm us when we experience the too-muchness of life?